
MATEMATIKA PEMINATAN KELAS XI MIPA/IIS
Authored by Awalia Rahmadhani
Mathematics
2nd Grade
Used 427+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk 0° ≤ x ≤ 360° himpunan penyelesaian dari sin x = 1/2 adalah ….
0O
30O
45O
60O
90O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk 0° ≤ x ≤ 360° himpunan penyelesaian dari cos (x − 30°) = 1/2 √2
{75°, 345°}
{60°, 300°}
{75°, 300°}
{60°, 345°}
{90°, 345°}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Himpunan penyelesaian persamaan 2cos 2x − 3 cos x + 1 = 0 untuk 0 < x < 2π adalah…
{π/6, 5π/6}
{π/6, 11π/6}
{π/3, 2π/3}
{π/3, 5π/3}
{2π/3, 4π/3}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai dari cos 75o adalah ....
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika α dan β merupakan sudut-sudut lancip dan sin α = 4/5 dan sin β = 12/13, nilai dari cos (α+β) = …
-33/65
0
33/65
63/65
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai dari cos 63 . cos 87 – sin 63 . sin 87 = …
-1/2√3
-1/2
0
1/2
1/2√3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika dan merupakan sudut-sudut lancip dan sin α = 4/5 dan sin β = 12/13, nilai dari sin (α+β) = …
0
1
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